2168271701 has 4 divisors (see below), whose sum is σ = 2170054572. Its totient is φ = 2166488832.

The previous prime is 2168271661. The next prime is 2168271713. The reversal of 2168271701 is 1071728612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 857904100 + 1310367601 = 29290^2 + 36199^2 .

It is a cyclic number.

It is not a de Polignac number, because 2168271701 - 2¹⁰ = 2168270677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168271731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889610 + ... + 892043.

It is an arithmetic number, because the mean of its divisors is an integer number (542513643).

Almost surely, 2^2168271701 is an apocalyptic number.

It is an amenable number.

2168271701 is a deficient number, since it is larger than the sum of its proper divisors (1782871).

2168271701 is a wasteful number, since it uses less digits than its factorization.

2168271701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782870.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 2168271701 is about 46564.7044551987. The cubic root of 2168271701 is about 1294.3087899084.

The spelling of 2168271701 in words is "two billion, one hundred sixty-eight million, two hundred seventy-one thousand, seven hundred one".